package io.renren.common.main;

/**
 * @Description
 * @Author haijun.zhang@luckincoffee.com
 * @Date 2018-08-10 0:36
 **/

import io.renren.modules.mail.entity.MailSendEntity;
import io.renren.modules.mail.service.MailSendService;
import io.renren.modules.offer.entity.OfferEntity;
import io.renren.modules.util.service.SysSwitchService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.io.File;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

@Service
public class MailService {
    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    @Autowired
    private JavaMailSender sender;

    @Autowired
    private MailSendService mailSendService;

    @Autowired
    private SysSwitchService sysSwitchService;

    @Value("${spring.mail.username}")
    private String from;

    /**
     * 发送纯文本的简单邮件
     *
     * @param to
     * @param subject
     * @param content
     */
    public void sendSimpleMail(String to, String subject, String content) {
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(from);
        message.setTo(to);
        message.setSubject(subject);
        message.setText(content);

        try {
            sender.send(message);
            logger.info("简单邮件已经发送。");
        } catch (Exception e) {
            logger.error("发送简单邮件时发生异常！", e);
        }
    }

    /**
     * 发送纯文本的简单邮件
     */
    public void sendOffersPushErrorMail(OfferEntity entity, String errorMSG) {
        if(!sysSwitchService.getSwitch("PUSH_ERROR_MAIL")){
            return;
        }
        logger.info("发送异常邮件");
        SimpleMailMessage message = new SimpleMailMessage();
        Map<String, Object> params = new LinkedHashMap<>();
        params.put("type", "PUSH_ERROR");
        List<MailSendEntity> mailSendEntities = mailSendService.selectByMap(params);
        for (MailSendEntity mailSendEntity : mailSendEntities) {
            message.setFrom(from);
            message.setTo(mailSendEntity.getToSender());
            message.setSubject("推送offer异常。广告主:"+entity.getSspChannelId()+"  上游offerId:"+entity.getDspOfferId());
            message.setText("推送offer异常。广告主:"+entity.getSspChannelId()+"  上游offerId:"+entity.getDspOfferId()+" </br>"+errorMSG);
            try {
                sender.send(message);
                logger.info("简单邮件已经发送。");
            } catch (Exception e) {
                logger.error("发送简单邮件时发生异常！", e);
            }
        }

    }

    /**
     * 发送纯文本的简单邮件
     */
    public void sendOffersPullErrorMail(String title,String msg) {
        if(!sysSwitchService.getSwitch("PULL_ERROR_MAIL")){
            return;
        }
        logger.info("发送异常邮件");
        SimpleMailMessage message = new SimpleMailMessage();
        Map<String, Object> params = new LinkedHashMap<>();
        params.put("type", "PULL_ERROR");
        List<MailSendEntity> mailSendEntities = mailSendService.selectByMap(params);
        for (MailSendEntity mailSendEntity : mailSendEntities) {
            message.setFrom(from);
            message.setTo(mailSendEntity.getToSender());
            message.setSubject(title);
            message.setText(msg);
            try {
                sender.send(message);
                message.toString();
                logger.info("简单邮件已经发送。");
            } catch (Exception ee) {
                logger.error("发送简单邮件时发生异常！", ee);
            }
        }

    }

    /**
     * 发送html格式的邮件
     *
     * @param to
     * @param subject
     * @param content
     */
    public void sendHtmlMail(String to, String subject, String content) {
        MimeMessage message = sender.createMimeMessage();

        try {
            //true表示需要创建一个multipart message
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            sender.send(message);
            logger.info("html邮件已经发送。");
        } catch (MessagingException e) {
            logger.error("发送html邮件时发生异常！", e);
        }
    }

    /**
     * 发送带附件的邮件
     *
     * @param to
     * @param subject
     * @param content
     * @param filePath
     */
    public void sendAttachmentsMail(String to, String subject, String content, String filePath) {
        MimeMessage message = sender.createMimeMessage();

        try {
            //true表示需要创建一个multipart message
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            FileSystemResource file = new FileSystemResource(new File(filePath));
            String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
            helper.addAttachment(fileName, file);

            sender.send(message);
            logger.info("带附件的邮件已经发送。");
        } catch (MessagingException e) {
            logger.error("发送带附件的邮件时发生异常！", e);
        }
    }

    /**
     * 发送嵌入静态资源（一般是图片）的邮件
     *
     * @param to
     * @param subject
     * @param content 邮件内容，需要包括一个静态资源的id，比如：<img src=\"cid:rscId01\" >
     * @param rscPath 静态资源路径和文件名
     * @param rscId   静态资源id
     */
    public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId) {
        MimeMessage message = sender.createMimeMessage();

        try {
            //true表示需要创建一个multipart message
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            FileSystemResource res = new FileSystemResource(new File(rscPath));
            helper.addInline(rscId, res);

            sender.send(message);
            logger.info("嵌入静态资源的邮件已经发送。");
        } catch (MessagingException e) {
            logger.error("发送嵌入静态资源的邮件时发生异常！", e);
        }
    }
}

